According to FCO, the maximum permissible total N content in the form of urea in DAP should be:_________?
A. 2.50 %
B. 3.50 %
C. 4,50 %
D. 5.5 %
A. 2.50 %
B. 3.50 %
C. 4,50 %
D. 5.5 %